On 14/11/2017 06:22, Anish wrote: > Hi Andriy, > Newer AMD IOMMU has EFR capability which is missing here, something like: > ivhd0: PCI cap 0x190b640f@0x40 feature:19<IOTLB,EFR> > > Is this an old chipset?
Yes, this is an old 900 series chipset (990X). > Also ivhd has fault interrupt enabled which is very > helpful in debugging: > > [root@ryzen /home/anish/FreeBSD/head]# vmstat -ia |grep ivh > irq256: ivhd0:fault 0 0 > irq257: ivhd1:fault 0 0 irq256: ivhd0:fault 0 0 > Another thing to worth checking is PCI config space of ivhd/IOMMU if you have not already done so. For what should I look there? -- Andriy Gapon _______________________________________________ freebsd-virtualization@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-virtualization To unsubscribe, send any mail to "freebsd-virtualization-unsubscr...@freebsd.org"